Yes, you can deregister. Simply follow the below steps to deregister from this facility.
Send a mail to xxxx@gmail.com to deregister. Your deregistration shall be completed within 3 working days. Once completed, you can start adding funds using UPI, Netbanking, and begin trading. If you wish to use the IMPS/NEFT/RTGS facility, you'll need to add the new beneficiary details, which will be available on the Deposit page under the IMPS/NEFT/RTGS section.